| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.sling.distribution.journal.impl.publisher; |
| |
| import static org.apache.sling.commons.scheduler.Scheduler.PROPERTY_SCHEDULER_CONCURRENT; |
| import static org.apache.sling.commons.scheduler.Scheduler.PROPERTY_SCHEDULER_PERIOD; |
| import static org.apache.sling.commons.scheduler.Scheduler.PROPERTY_SCHEDULER_RUN_ON; |
| import static org.apache.sling.commons.scheduler.Scheduler.VALUE_RUN_ON_LEADER; |
| |
| import javax.annotation.ParametersAreNonnullByDefault; |
| |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Reference; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * The cleanup task fetches the head offset (the smallest) and |
| * the tail offset (the current biggest) on the package topic. |
| * The stored packages are then scanned and cleaned if they are |
| * no longer referenced by the package topic (offset smaller than |
| * the head offset). |
| * With clustered deployment, only one Publisher agent should run |
| * the package cleanup task on the cluster |
| */ |
| @Component( |
| property = { |
| PROPERTY_SCHEDULER_CONCURRENT + ":Boolean=false", |
| PROPERTY_SCHEDULER_PERIOD + ":Long=" + 12 * 60 * 60, // 12 hours |
| PROPERTY_SCHEDULER_RUN_ON + "=" + VALUE_RUN_ON_LEADER |
| }) |
| @ParametersAreNonnullByDefault |
| public class PackageCleanupTask implements Runnable { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(PackageCleanupTask.class); |
| |
| @Reference |
| private PackageRepo packageRepo; |
| |
| @Override |
| public void run() { |
| LOG.info("Starting Package Cleanup Task"); |
| packageRepo.cleanup(); |
| LOG.info("Stopping Package Cleanup Task"); |
| } |
| |
| } |